prism/platforms/web/main.cpp.in

#include <stdio.h>
#include <@APP_INCLUDE@>
#include <emscripten/html5.h>

#include "engine.hpp"
#include "platform.hpp"
#include "gfx_webgpu.hpp"
#include "file.hpp"
#include "string_utils.hpp"

@APP_CLASS@* app = nullptr;
GFX* gfx_interface = nullptr;

EM_BOOL draw(double time, void *userData) {
    engine->update(time);
    engine->begin_frame(time);

    engine->render((void*)1);

    engine->end_frame();

    return true;
}

extern "C" int __main__(int argc, char* argv[]) {
    engine = new prism::engine(argc, argv);

    GFXCreateInfo info = {};
    gfx_interface = new GFXWebGPU();
    if(gfx_interface->initialize(info)) {
        engine->set_gfx(gfx_interface);
    } else {
        return -1;
    }

    app = new @APP_CLASS@();
    app_main(engine);
    engine->set_app(app);

    engine->add_window((void*)1, (void*)1, {100, 100});
    app->initialize_render();

    emscripten_request_animation_frame_loop(draw, nullptr);

    return 0;
}

void platform::capture_mouse(const bool capture) {

}

PlatformTheme platform::get_theme() {
    return PlatformTheme::Light;
}

void platform::begin_text_input() {
}

void platform::end_text_input() {
}

void* platform::create_surface(window_ptr window, void* surface_creation_info) {
    return nullptr;
}

void* platform::get_next_image(window_ptr window) {
    return nullptr;
}

bool platform::is_main_window(platform::window_ptr index) {
    return true;
}

void* platform::get_context_information() {
    return nullptr;
}

bool platform::supports_context(GFXContext context) {
    return true;
}

void platform::show_window(const platform::window_ptr index) {

}

bool platform::supports_feature(const PlatformFeature feature) {
    return false;
}

prism::Offset platform::get_cursor_position() {
    return {0, 0};
}

std::tuple<float, float> platform::get_right_stick_position() {
    return {0, 0};
}

std::tuple<float, float> platform::get_left_stick_position() {
    return {0, 0};
}

bool platform::get_key_down(InputButton key) {
    return false;
}

platform::window_ptr platform::open_window(const std::string_view title, const prism::Rectangle rect, const WindowFlags flags) {
   return (void*)1;
}

void platform::set_window_title(const platform::window_ptr index, const std::string_view title) {

}

bool platform::is_window_focused(const platform::window_ptr index) {
    return true;
}

void platform::set_window_focused(const platform::window_ptr index) {

}

prism::Extent platform::get_window_size(const platform::window_ptr index) {
    return {100, 100};
}

prism::Extent platform::get_window_drawable_size(const platform::window_ptr index) {
    return {100, 100};
}

prism::Offset platform::get_window_position(const platform::window_ptr index) {
    return {0, 0};
}

void platform::set_window_size(const platform::window_ptr index, const prism::Extent extent) {

}

void platform::set_window_position(const platform::window_ptr index, const prism::Offset offset) {

}

void platform::close_window(const platform::window_ptr index) {

}

int platform::get_keycode(const InputButton button) {
    return 0;
}

prism::Rectangle platform::get_monitor_resolution() {
    return {0, 0, 100, 100};
}

prism::Rectangle platform::get_monitor_work_area() {
    return {0, 0, 100, 100};
}

prism::Offset platform::get_screen_cursor_position() {
    return {0, 0};
}

bool platform::get_mouse_button_down(const int index) {
    return false;
}

float platform::get_monitor_dpi() {
    return 1.0f;
}

std::tuple<float, float> platform::get_wheel_delta() {
    return {0, 0};
}

const char* platform::get_name() {
    return "Web";
}

void prism::set_domain_path(const prism::domain domain, const prism::path& path) {
    domain_data[(int)domain] = replace_substring(path.string(), "{resource_dir}/", "");
}

prism::path prism::get_writeable_directory() {

}